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Maths · Grade 6 · Set C
Spot the Variety
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C
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Date
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Goal: 15 min
Score/ 12
Remember: A statistical question has answers that can differ.

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1
Which question has just one answer?
How many kids are in each class at our school?How many kids are in our class today?How many minutes does each kid read at home?
2
Which is a statistical question?
How many kids are in each class at our school?How many kids are in Room 12 right now?How many desks are in this room?
3
Six kids answered one question. Their answers are in the plot. Which question did they answer?
How many pets does each kid have?How many days are in a week?How tall is each kid, in inches?
4
Each dot in the plot is one kid. How many kids answered the question?
5
A school asks every student “What grade are you in?” This is a statistical question.
TrueFalse
6
Pip asks “How many pages are in my reading book?” and the book has 120 pages. This is a statistical question.
TrueFalse
7
Six kids answered “How many days did you walk to school last week?” School has 5 days a week. Which plot could be their answers?
Plot 1
Plot 2
Plot 3
8
Join each question to answers that kids might give.
  1. 1How many pets does each kid have?
  2. 2How many sides does each triangle have?
  3. 3How tall is each kid, in inches?
  4. 4How many minutes does each kid ride the bus?
  • A3, 3, 3, 3, 3
  • B5, 10, 15, 25, 40
  • C0, 1, 1, 2, 4
  • D56, 58, 61, 63, 66
9
Number the steps of a study about the bus.
  • Ask 20 kids and write each answer
  • Check that the answers can differ from kid to kid
  • Write the question: How many minutes does each kid ride the bus?
  • Look at how spread out the answers are
10
Seven kids said how many pets they have. How many different answers did they give?
11
Pip wants a statistical question. Which change to “How tall is the principal?” works?
Ask the principal “How tall are you?” ten timesAsk “How tall is each teacher at our school?”Ask “How tall is the principal today?”
12
Asking the same person one question ten times makes it a statistical question.
TrueFalse
13
A friend says “How old is our teacher?” is a statistical question. Write how you know your friend is wrong, and a question that would be statistical.
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Answer key · Set C
Spot the Variety
1How many kids are in our class today? Our class today is one group on one day, so there is one answer. The other two ask about many classes or many kids.
2How many kids are in each class at our school? Different classes have different numbers of kids, so the answers can differ.
3How tall is each kid, in inches? The answers are around 60. They are too big for pets, and they differ, so it is not days in a week. Heights in inches fit.
46 Count every dot, even the two over 58: 1 + 2 + 1 + 1 + 1 = 6.
5True Students in different grades give different answers.
6False There is one book and one number of pages, so there is nothing that differs.
7Plot 1 Nobody can walk to school more than 5 days in a school week, so only Plot 1 has answers that make sense.
81-C, 2-A, 3-D, 4-B Think about how big each answer can be, and whether the answers can differ.
93, 2, 1, 4 Write the question, check it, collect the answers, then look at them.
105 The answers are 0, 1, 1, 2, 3, 3 and 5. The different ones are 0, 1, 2, 3 and 5: five.
11Ask “How tall is each teacher at our school?” Asking many teachers gives many heights. Asking one person again and again gets the same answer each time.
12False The answers come from one person and stay the same. A statistical question asks many people or things.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.